"The Sol Cool Tee lives up to its name with Icefil treated fabric. Xylitol, a compound also found in the birch tree and mint gum, is woven into fibers and cools skin up to five degrees upon contact with moisture, which is efficiently wicked away to the fabric surface. The Sol Cool crew tee also has the highest sun protection rating for a garment, UPF 50+, so you can play all day out in the sun. Features: - Icefil fabric uses Xylitol to create a cooling sensation on contact with moisture to lower body temperature up to five degrees - Critical seams moved off the shoulder to prevent rubbing - Intelligent moisture control technology provides exceptional wicking - Sun Guard 50+, the highest rati 613543694058